fix: add copyright to deb package

Dockerfile

@@ -175,6 +175,7 @@ RUN mkdir -p ${STAGING_DEBIAN} ${STAGING_SBIN} ${STAGING_BIN} ${STAGING_BASE}/et
 COPY control ${STAGING_DEBIAN}/control
 COPY package.json ${STAGING_SHARE}/package.json
 COPY postinst ${STAGING_DEBIAN}/postinst
+COPY copyright ${STAGING_BASE}/usr/share/doc/machine-emulator-tools/copyright
 
 COPY --from=builder ${BUILD_BASE}/tools/sys-utils/cartesi-init/cartesi-init ${STAGING_SBIN}
 COPY --from=c-builder ${BUILD_BASE}/tools/sys-utils/xhalt/xhalt ${STAGING_SBIN}

copyright

@@ -0,0 +1,23 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: machine-emulator-tools
+Source: https://github.com/cartesi/machine-emulator-tools
+
+Files: *
+Copyright: 2024 Individual contributors
+License: Apache-2.0
+
+License: Apache-2.0
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ .
+ http://www.apache.org/licenses/LICENSE-2.0
+ .
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ .
+ On Debian systems, the complete text of the Apache version 2.0 license
+ can be found in "/usr/share/common-licenses/Apache-2.0".